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Evaluación del efecto de dosis crecientes de nitrato sobre la actividad de la reductasa del nitrato; nitrógeno derivado del fertilizante en cafeto
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
Defficient Coffea arabica L. plants were treated with CaNO, (114%15N) in doses ranging from 25 to 200 kg/ha of N The effect of the treatments on the activity of nitrate reductase and on Nitrate Assimilation Potential was ...
Desarrollo de sub-sistemas de alimentación de bovinos con rastrojo de frijol (Phaseolus vulgaris, L.). I. Disponibilidad, composición y consumo del rastrojo de frijol
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
An experiment was effected to determine the production of common black bean residue under different cropping situations found in Central American small farms. Laboratory analyses were carried out to characterize the chemical ...
Desarrollo de sub-sistemas de alimentación de bovinos con rastrojos de frijol (Phaseolus vulgaris L.).II.Balance metabólico a varios niveles de energía y proteína suplementaria
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
In order 10 effectively develop cattle feeding systems based on the me of common black bean crop residue, a nitrogen balance and digestibility study was conducted wing 15 Romo Sinuano bull calves averaging 150 kg in ...
Efecto de la aplicación tardía del nitrógeno en el cultivar de caña H32-8560. III. Acción de la misma con relación a la aplicación temprana en la calidad y nutrimentos en la planta
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
In Mocollope and Bolognesi fields of the Casa Grande Agrarian ProductionCooperative, two experiment were done Fields were located in Chicama valley, in the northern coast of Perú. N (urea) applications were made al lates ...
Anacardium excelsum, especie forestal de los trópicos americanos
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
Thysanopteros en Pinus radiata en Chile
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
In a survey of insects carried out during the summer of 1975. in Pinus radiata nurseries in the Tenth Region (Chile), many seedlings with needie crinkle and apical absortion caused by thrips were found. These insects were ...
Reseña de libros
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)